EFFECT OF INTEGRATED NUTRIENT MANAGEMENT ON GROWTH AND YIELD IN COWPEA [Vigna unguiculata (L.) Walp.].
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Date
2018
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Department of Horticulture, Institute of Agricultural Sciences, Banaras Hindu University Varanasi .
Abstract
A field experiment was conducted at Horticultural Research Farm, Department of Horticulture, Banaras Hindu University, Varanasi (Uttar Pradesh) during summer season, 2017.The present investigation was aimed to explore the performance of vegetable cowpea [Vignaunguiculata (L.) Walp.] cv. KashiKanchan with respect to growth and yield attributing characters consists of thirteen treatment combinations with three levels of RDF of nitrogen and phosphorus (50%, 75% and 100%), nine kind of bio-fertilizers (50%, 75% and 100%RDF inoculation withRhizobium, PSB and PSB+ Rhizobium)and control. In Randomized Block Design with threereplications. Recommended dose of fertilizers for cowpea was 25:50:50.The results revealed that application of 100% RDF along with Rhizobium and PSB followed by 75% RDF along with Rhizobium and PSBsignificantly increased the plant height,seed germination percentage, days to first flowering, number of nodules per plant, number of seeds per pod, seed index, green pod length,green pod yield per plant, green pod yield per plot, seed index, individual green pod weight andgreen pod yield per hectare.PSB alone and dual inoculation with PSB + Rhizobium proved superior to Rhizobium alone. Number of leaves recorded significantly higher in 75% RDF along with Rhizobium and PSB than rest of the treatments.
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Bio-fertilizer